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New Member

## Count number of times a value appears in multiple columns

I'm new to Power Query, so was hoping to get some help with the following:

Say I have a table "Snacks" that records which snack my children eat each day:

 Date Alice Brandon Charlie Jan-1 Apple Banana Pear Jan-2 Apple Banana Pear Jan-3 Pear Apple Pear Jan-4 Apple Apple Banana Jan-5 Pear Banana Banana Jan-6 Apple Banana Banana

I would like to know how many times my children have eaten each type of snack:

 Alice Brandon Charlie Apple 4 2 0 Banana 0 4 3 Pear 2 0 3

Any suggestions on how to do this with Power Query?

Note that the list of snacks isn't fixed (e.g. Alice might decide to eat Grapes on Jan-7).

1 ACCEPTED SOLUTION
Super User

Try this...

Select 'Date' and unpivot other columns

Group Rows by Snack and Name, counting the rows.

Pivot the Name column

Sample code...

``````let
Source = Table,
#"Unpivoted Other Columns" = Table.UnpivotOtherColumns(Source, {"Date"}, "Name", "Snack"),
#"Grouped Rows" = Table.Group(#"Unpivoted Other Columns", {"Snack", "Name"}, {{"Count", each Table.RowCount(_), Int64.Type}}),
#"Pivoted Column" = Table.Pivot(#"Grouped Rows", List.Distinct(#"Grouped Rows"[Name]), "Name", "Count", List.Sum)
in
#"Pivoted Column"``````

Proud to be a Super User!

2 REPLIES 2
Super User

Try this...

Select 'Date' and unpivot other columns

Group Rows by Snack and Name, counting the rows.

Pivot the Name column

Sample code...

``````let
Source = Table,
#"Unpivoted Other Columns" = Table.UnpivotOtherColumns(Source, {"Date"}, "Name", "Snack"),
#"Grouped Rows" = Table.Group(#"Unpivoted Other Columns", {"Snack", "Name"}, {{"Count", each Table.RowCount(_), Int64.Type}}),
#"Pivoted Column" = Table.Pivot(#"Grouped Rows", List.Distinct(#"Grouped Rows"[Name]), "Name", "Count", List.Sum)
in
#"Pivoted Column"``````

Proud to be a Super User!

New Member

Exactly what I was looking for, thanks!

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